BA · CIK 12927
What The Boeing Company told the SEC could break it.
Boeing's disclosures split between who buys its planes and what it takes to build them. On the demand side it is concentrated at two ends: 35% of 2025 revenue came under U.S. government contracts, while non-U.S. customers made up 46% of total revenue and 60% of Commercial Airplanes revenue — leaving it exposed to U.S.-China trade tensions, including a Q2 2025 pause in deliveries by certain Chinese customers amid tariff talks. On the build side it leans on a vast supplier network with some single sources of supply, faces new 2025 U.S. tariffs on aluminum, steel and copper, and flagged labor-disruption risk after a 53-day 2024 IAM strike halted most commercial aircraft production.
5 self-disclosed vulnerabilities, pulled from its own filings — each in the company’s words, with the source. This is the risk register almost nobody reads.
In its own words
What could break it.
Regulatory & policy
- U.S.-China trade tensions — China customers paused deliveries in Q2 2025medium
China is a significant commercial-aircraft market for Boeing, but the U.S.-China relationship is strained by tariffs, sanctions and export restrictions; in Q2 2025 certain Chinese customers paused accepting Boeing deliveries amid tariff negotiations (since resumed), and inability to deliver to/obtain orders from China could reduce deliveries.
“in the second quarter of 2025, certain customers in China paused accepting our deliveries in response to ongoing tariff negotiations between the U.S. and China.”
- 2025 U.S. tariffs on aluminum, steel and copper importsmedium
As of year-end 2025 the U.S. maintained new and modified tariffs on aluminum, steel and copper imports implemented during 2025 (with additional sector reviews announced); these and any retaliatory actions could materially impact Boeing's financial position and results.
“As of December 31, 2025, the U.S. also maintains new and modified tariffs on aluminum, steel, and copper imports implemented during 2025, and has announced reviews of additional sectors.”
Sole-source dependency
- single-source suppliers for certain production inputshigh
Boeing relies on an extensive network of U.S. and non-U.S. suppliers and subcontractors and in some instances depends upon a single source of supply; service disruption from one of these suppliers (geopolitical, performance, or financial) could materially impair its ability to deliver products on time or at budgeted cost.
“In some instances, we depend upon a single source of supply. Any service disruption from one of these suppliers, either due to circumstances beyond the supplier's control, such as geopolitical developments, or as a result of performance problems or financial difficulties, could have a material adverse effect on our abili”
SEC filing →As of 2026
Customer concentration
- U.S. government 35% of revenue (incl. FMS); non-U.S. customers 46% of total / 60% of BCAmedium
In 2025, 35% of Boeing's revenue was earned under U.S. government contracts (including FMS), subject to extensive procurement regulation; separately, non-U.S. customers accounted for 46% of total revenues and 60% of Commercial Airplanes revenue from customer contracts.
“In 2025, non-U.S. customers, which include Foreign Military Sales through the U.S. government (FMS), accounted for 46% of our total revenues and 60% of Commercial Airplanes revenue from customer contracts.”
SEC filing →As of 2026
Other disclosures
- labor/union strike risk (IAM District 751 — 53-day 2024 strike halted production)medium
Boeing's workforce includes ~72,000 union members; in 2024 IAM District 751 (30,000+ manufacturing employees, primarily Washington state) struck for 53 days, halting production of most commercial aircraft and certain BDS products and materially adversely impacting results — illustrating recurring labor-disruption risk.
“During 2024, employees represented by IAM District 751, which represents over 30,000 Boeing manufacturing employees primarily located in Washington state, went out on strike for 53 days, halting production of most of our commercial aircraft and certain of our Defense, Space & Security products, and materially adversely impacting our business and financial position.”
SEC filing →As of 2026
The hidden graph
Who it depends on, and who depends on it.
Relationships surfaced from filings — including ones disclosed by the other side, which is how the non-obvious ones come to light.
Its customers
“We rely on Boeing and, as applicable, the owners of used aircraft with whom we may contract in the future to be able to deliver aircraft in accordance with the terms of executed agreements”
Cited →“The Company is dependent on Boeing as its sole supplier for many of its aircraft parts.”
Cited →“In many cases, we serve as a launch customer for Boeing or Airbus, whereby we play a crucial role in introducing a new aircraft type into the global fleet.”
Cited →United Airlines Holdings, Inc.
“The Company currently sources substantially all of its aircraft and many related aircraft parts from The Boeing Company ("Boeing") or Airbus S.A.S. ("Airbus").”
Cited →“For example, all of our mainline aircraft were manufactured by either Airbus or Boeing and all of our regional aircraft were manufactured by either Bombardier or Embraer.”
Cited →“As of December 31, 2025 and 2024, 79.4% and 77.0%, respectively, of our operating fleet was manufactured and assembled by Boeing and 20.6% and 23.0%, respectively by Embraer.”
Cited →
Its suppliers
“We have significant content on a wide variety of commercial aircraft, rotorcraft, and business jet platforms, such as the Airbus A320neo, Boeing 737 MAX, Boeing 787, Bell 429, and Bombardier Global 7500.”
Cited →“Approximately 13%, 15% and 15% of our 2025, 2024 and 2023 net sales, respectively, were to Boeing and its subcontractors. Of the 13% of overall sales to Boeing and its subcontractors in 2025, 11% related to Commercial Aerospace market applications and 2% related to Defense & Space market applications.”
Cited →“Sales to Boeing for fiscal 2025 were $ 288,907 , or 23 % of net sales, of which $ 181,867 and $ 107,040 were from Systems & Support and Interiors, respectively.”
Cited →“Approximately 15%, 14% and 16% of our 2023, 2022 and 2021 net sales, respectively, were to Boeing and its subcontractors.”
Cited →Spirit AeroSystems Holdings, Inc.
“For the twelve months ended December 31, 2023, approximately 64% and 19% o f our net revenues were generated from sales to Boeing and Airbus, respectively.”
Cited →“Our customer-specified and/or qualified products are used in the production of significant long-term aircraft programs, including most Boeing and Airbus commercial jetliner programs.”
Cited →ASTRONICS CORP
“Sales to Boeing accounted for 11.0% of sales in 2023, 11.0% of sales in 2022, and 10.0% of sales in 2021.”
Cited →Moog Inc.
“Sales to Boeing were $ 396,784 , $ 417,275 and $ 349,961 , or 10 %, 12 % and 11 % of sales, in 2025, 2024 and 2023, respectively.”
Cited →KAMAN Corp
“In the year ended December 31, 2023, two individual customers, The Boeing Company and Lockheed Martin Corporation, accounted for more than 10% of consolidated net sales.”
Cited →“For 2025, Boeing and RTX Corporation (f/k/a Raytheon Technologies Corporation) (“RTX”) were our largest customers, with Boeing generating 13% and RTX generating 18% of our 2025 net revenues.”
Cited →“The Company has a significant concentration of business with The Boeing Company”
Cited →General Electric Company (GE Aerospace)
“as in the case of some Boeing models, our engines may be the sole source engine for a particular aircraft.”
Cited →
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